AnswersRS AZ-Common Core Geometry BEquation of a Circle

Equation of a Circle Answers

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1
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y2 =

A
–4px
B
0
C
2px
D
4px
2
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The coordinates of the focus are .

A
(–1,0)
B
(0,–1)
C
(0,1)
3

The equation of the directrix is .

A
x = 1
B
x = –1
C
y = 1
4

The equation for the directrix is .

A
= –10
B
= 10
C
y = –10
D
y = 10
5

Therefore, the value of p is .

A
–1
B
1
C
4
6

The value of p is .

A
1
B
4
C
10
D
40
7

The parabola opens .

A
down
B
left
C
right
D
up
8

The coordinates of the focus are .

A
(0,0)
B
(0,–10)
C
(0,10)
D
(10,0)

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